Dashboard

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This is a more exhaustive take on the original Graphite Carbon Metrics dashboard. Aside from some minor metric fixes, it adds new panels for memory footprint and cache details (keys & datapoints in cache, avg number of datapoints per key, etc).

Note that while the first half of the dashboard relies on Carbon's predictable naming format (carbon.agents.*), the latter half uses collectd metrics that vary according to the Graphite server's hostname. The dashboard is currently opinionated to assume a hostname of "graphite" (i.e. collectd.graphite.*) although I'm hoping to find time to leverage Grafana's new templating support to make this more dynamic. If your naming schema doesn't match mine, you'll need to update the affected panels' query definitions.

Carbon Metrics

Updates/sec (write ops)

Metrics received/sec (ingress)

Committed points/sec (datapoints written to disk)

Creates/sec (new Whisper files)

CPU (avg across Cache instances)

Points per Update (avg across Cache instances)

Carbon Memory & CPU

Metric keys in Cache (unique metric names)

Datapoints in Cache

Relay Destination Queue Length (datapoints queued per destination)

Average datapoints per key in Cache

Datapoints received during full cache

Average Relay Batch Size (average number of datapoints per relay transmission)